What is Slag Rash?
1.
when being shagged by various amounts of females (or males though not likely) the females not being shagged suck on a random body part of the man leaving a dark mark on the skin.
me: fucking hell mick! , thats the worst case of slag rash ive ever seen!, infact you ARE slag rash!
mick :pft your just jealous, go back to sleeping with one woman
See
